b0362af4e49f001d1589a55377a2741e
来自「实习的时候做的数字校园系统」· 代码 · 共 66 行
TXT
66 行
<%@ page language="java" contentType="text/html; charset=gbk"
pageEncoding="gbk"%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<%@ page import="java.sql.*"%>
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gbk">
<title>Insert title here</title>
</head>
<body>
<%
//以try开始
String a="";
String b="";
a=request.getParameter("name");
b=request.getParameter("password");
try
{
Connection con;
Statement stmt;
ResultSet rs;
//加载驱动程序，下面的代码为加载MySQL驱动程序
Class.forName("com.microsoft.jdbc.sqlserver.SQLServerDriver");
//注册MySQL驱动程序
DriverManager.registerDriver(new com.microsoft.jdbc.sqlserver.SQLServerDriver());
//用适当的驱动程序连接到数据库
String dbUrl = "jdbc:microsoft:sqlserver://127.0.0.1:1433;databasename=test";
String dbUser="dbuser";
String dbPwd="1234";
//建立数据库连接
con = java.sql.DriverManager.getConnection(dbUrl,dbUser,dbPwd);
//创建一个JDBC声明
stmt = con.createStatement();
//增加新记录
stmt.executeUpdate("INSERT INTO books (id,name,title,price) VALUES ('999','Tom','Tomcat Bible',44.5)");
//查询记录
rs = stmt.executeQuery("SELECT id,name,title,price from books");
//输出查询结果
out.println("<table border=1 width=400>");
while (rs.next())
{
String col1 = rs.getString(1);
String col2 = rs.getString(2);
String col3 = rs.getString(3);
float col4 = rs.getFloat(4);
//打印所显示的数据
out.println("<tr><td>"+col1+"</td><td>"+col2+"</td><td>"+col3+"</td><td>"+col4+"</td></tr>");
}
out.println("</table>");
//删除新增加的记录
stmt.executeUpdate("DELETE FROM books WHERE id='999'");
//关闭数据库连结
rs.close();
stmt.close();
con.close();
}
//捕获错误信息
catch (Exception e) {out.println(e.getMessage());}
%>
</body>
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